Dyfyniad APA

O'day, E. F. (1971). Programmed instruction: Teacniques and trends.

Dyfyniad Arddull Chicago

O'day, Edward F. Programmed Instruction: Teacniques and Trends. 1971.

Dyfyniad MLA

O'day, Edward F. Programmed Instruction: Teacniques and Trends. 1971.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.